NK

Noriaki Kumagai

TO Toyota: 19 patents #1,244 of 26,838Top 5%
KC Kuraray Co.: 5 patents #308 of 1,827Top 20%
NC Nagase & Co.: 2 patents #21 of 127Top 20%
📍 Susono, JP: #124 of 1,238 inventorsTop 15%
Overall (All Time): #171,585 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
11761373 Vehicle cooling device Masaya Kubo, Koji Ichikawa, Takahiro Yoshida, Takahiro Nishigaki, Sohichi IMAI +1 more 2023-09-19
10648388 Method for controlling an internal combustion engine having an exhaust system component including a self-healing ceramic material Naoki Takeuchi, Go Hayashita, Masakazu Tabata, Hirokazu Ito, Kazuhiro Sugimoto +1 more 2020-05-12
9470160 Control apparatus for internal combustion engine 2016-10-18
9222387 Control apparatus for an internal combustion engine Mamoru Yoshioka 2015-12-29
9163541 Control device for an electrically heated catalyst, and electrode deterioration degree estimation device for an electrically heated catalyst Mamoru Yoshioka 2015-10-20
9131535 Electric heating catalyst Mamoru Yoshioka, Naoya Takagi 2015-09-08
9109490 Electric heating catalyst Mamoru Yoshioka 2015-08-18
9060387 Electric heating catalyst Mamoru Yoshioka, Naoya Takagi 2015-06-16
8997470 Exhaust gas purifying device for internal combustion engine Mamoru Yoshioka, Naoya Takagi 2015-04-07
8961884 Electric heating catalyst Mamoru Yoshioka 2015-02-24
8938952 Electric heating catalyst Mamoru Yoshioka, Naoya Takagi 2015-01-27
8911674 Electrically heated catalyst Mamoru Yoshioka, Naoya Takagi 2014-12-16
8863498 Exhaust gas purification apparatus of an internal combustion engine Mamoru Yoshioka, Naoya Takagi 2014-10-21
8826643 Exhaust gas purifying device for internal combustion engine Mamoru Yoshioka, Naoya Takagi 2014-09-09
8784741 Electrically-heated catalytic converter Mamoru Yoshioka, Naoya Takagi, Tatsuo Iida, Yasuo Kinoshita 2014-07-22
8667781 Vehicle control device Mamoru Yoshioka, Naoya Takagi 2014-03-11
8661796 Vehicle control device Mamoru Yoshioka, Naoya Takagi 2014-03-04
8647584 Electric heating catalyst Mamoru Yoshioka 2014-02-11
8647583 Electric heating type catalyst and a method for manufacturing the same Mamoru Yoshioka, Naoya Takagi 2014-02-11
6232506 Process for producing 6-methyl-3-hepten-2-one and 6-methyl-2-heptanone analogues, and process for producing phytone or isophytol Yoichi Kido, Hideharu Iwasaki, Takashi Onishi, Fuyuo Ueyama 2001-05-15
5955636 Process for producing 6-methyl-3-hepten-2-one and 6-methyl-2-heptanone analogues, and process for producing phyton or isophytol Yoichi Kido, Hideharu Iwasaki, Takashi Onishi, Fuyuo Ueyama 1999-09-21
5218979 Method of cleaning printed circuit boards with dimethylcyclooctadienes Masaru Sugita, Yoshiaki Horiuchi, Shinichiro Shiozu, Hideo Horii, Katsumi Omura 1993-06-15
5132039 Cleaning compositions and applications thereof Masaru Sugita, Yoshiaki Horiuchi, Shinichiro Shiozu, Hideo Horii, Katsumi Omura 1992-07-21
5066826 Process for racemization of optically active 4-phenylbutanoic acid esters Hiroyuki Nohira, Takashi Onishi, Kazuo Yamamoto 1991-11-19